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The "flaw" - which appears to be by design - was discovered this morning by Sydney app developer, Dan Nolan who told news.com.au that he was uncomfortable being the custodian of this information and that there was no reason for any developer to have this information at their finger tips.

You may remember Mr Nolan as the creator of the Paul Keating insult generator all that hit number one in the Aussie App Store last month."

"Let me make this crystal clear, every App purchase you make on Google Play gives the developer your name, suburb and email address with no indication that this information is actually being transferred," Nolan wrote on his blog.

"With the information I have available to me through the checkout portal I could track down and harass users who left negative reviews or refunded the app purchase."